You would know more about your particular setup and what you need, but if you have a hba that uses 8087 and just don't want to rewire them, you could just use an 8087 to 8643 adapter. I never had any cooling issues on this board even with just the single fan I had blowing over the CPU.
Then could use that extra pcie slot for more nvme drives or to throw in something else like an sfp+ card since the 10gbe on this thing is power hungry.
Even playing with C-states and disabling the 10gbe on it I was surprised how much power it used. The 2143iT isn't much better, but for a cpu advertised as low power I was just surprised compared to a similar supermicro X11sdv-8c I had.